He shook and trembled, struggling to take in a breath, but after several minutes he started coming down. Though he knew Heero would beable to detect his failure to have a heartbeat. He'd long since come up with a suitable explanation for that, even before he came here should he have to interact with any humans.

"Aah. Ah. S-Sorry." He gasped. No inhaler, no nothing. He gasped in another breath.